Obama’s Twitter background yesterday. (The photo, his longtime background, showed the 50th anniversary march in Selma.)

Screengrab by Slate’s Sam Adams

Regardless, someone on Trump’s social media team must have seen that they’d been caught, because they’ve changed the background for the second time today.

Screengrab by Forrest Wickman

At least they seem to have chosen the right flag?

Update, 2:50 p.m.: @POTUS has changed Twitter backgrounds for the third time today, this time to a photo that is clearly a little too grainy to make an ideal header. Maybe someone can tweet him a higher-resolution image?